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  <title>Return the number of columns in the result set</title>
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  <div id="layout-content"><div id="function.cubrid-num-fields" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">cubrid_num_fields</h1>
  <p class="verinfo">(PECL CUBRID &gt;= 8.3.0)</p><p class="refpurpose"><span class="refname">cubrid_num_fields</span> &mdash; <span class="dc-title">Return the number of columns in the result set</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.cubrid-num-fields-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>cubrid_num_fields</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
   ) : <span class="type">int</span></div>

  <p class="para rdfs-comment">
    This function returns the number of columns in the result set, on success,
    or it returns FALSE on failure.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.cubrid-num-fields-parameters">
 <h3 class="title">参数</h3>
 <p class="para">
  <dl>

    
    <dt>
<code class="parameter">result</code></dt>

    <dd>
<p class="para"><code class="parameter">result</code> comes from a call to
      <span class="function"><a href="cubrid_execute.html" class="function">cubrid_execute()</a></span>, <span class="function"><a href="cubrid_query.html" class="function">cubrid_query()</a></span>
      and <span class="function"><a href="cubrid_prepare.html" class="function">cubrid_prepare()</a></span></p></dd>

   
  </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.cubrid-num-fields-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Number of columns, on success.
  </p>
   <p class="para">
    -1 if SQL sentence is not SELECT.
  </p>
  <p class="para">
   <strong><code>FALSE</code></strong> when process is unsuccessful.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.cubrid-num-fields-examples">
  <h3 class="title">范例</h3>
  <div class="example" id="example-1173">
   <p><strong>Example #1 <span class="function"><strong>cubrid_num_fields()</strong></span> example</strong></p>
   <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$conn&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">33000</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"demodb"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$req&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"SELECT&nbsp;*&nbsp;FROM&nbsp;code"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$row_num&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_num_rows</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$col_num&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_num_fields</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Row&nbsp;Num:&nbsp;%d\nColumn&nbsp;Num:&nbsp;%d\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$row_num</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$col_num</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">cubrid_disconnect</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
   </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
Row Num: 6
Column Num: 2
</pre></div>
    </div>
  </div>
 </div>


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